License plate recognition machine secondary development

Wentong mount plate recognition machine is divided into two articulated ways: dynamic library and mounts the mount agreement.

1, DLL-mounted: a dynamic library attach the supported six kinds of development languages ​​(VC ++, Delphi, C #, VB.NET, Linux, Java).

Dynamic way to support the library's main functions and features:

① acquires the recognition result (license plate number, plate color, the image of the vehicle license plate reliability, vehicle traveling direction)

② obtain a network connection from time to time status. (Open, normal connection)

③ off network automatically reconnect

④ analog feel fat

⑤ recognition result of setting the transmission (license plate number, the panorama, panel plates)

⑥ control lever lift Barrier

Transparent transmission of ⑦RS485

2, agreement attached: divided into TCP protocol, HTTP protocol

(1) TCP protocol

① recognition result transmission (license plate number, plate color, the image of the vehicle license plate reliability, vehicle traveling direction)

② analog feel fat

③ Control Barrier lift lever

(2) HTTP protocol

① recognition result transmission (license plate number, plate color, the image of the vehicle license plate reliability, vehicle traveling direction)

② preset parking lot ID

③ preset opening direction (import, export)

Agreement articulated way benefits:

① cross-platform programming, connect the camera in different platforms (Linux, android, windows)

② can be binary, JSON format way to obtain identifying information

③ content transmission can be freely set (identification information, the panorama, the image plate)

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Origin blog.51cto.com/14696426/2478911